Machine and Deep Learning applied to galaxy morphology-A comparative study

PH Barchi, RR de Carvalho, RR Rosa… - Astronomy and …, 2020 - Elsevier
Morphological classification is a key piece of information to define samples of galaxies
aiming to study the large-scale structure of the universe. In essence, the challenge is to build …

Twenty-first-century statistical and computational challenges in astrophysics

ED Feigelson, RS De Souza… - Annual Review of …, 2021 - annualreviews.org
Modern astronomy has been rapidly increasing our ability to see deeper into the Universe,
acquiring enormous samples of cosmic populations. Gaining astrophysical insights from …

A machine learning based morphological classification of 14,245 radio agns selected from the best–heckman sample

Z Ma, H Xu, J Zhu, D Hu, W Li, C Shan… - The Astrophysical …, 2019 - iopscience.iop.org
We present a morphological classification of 14,245 radio active galactic nuclei (AGNs) into
six types, ie, typical Fanaroff–Riley Class I/II (FRI/II), FRI/II-like bent-tailed, X-shaped radio …

Galaxy morphology classification using automated machine learning

M Reza - Astronomy and Computing, 2021 - Elsevier
In this paper, we apply five different machine learning algorithms to classify samples into
four categories—spirals, ellipticals, mergers and stars (don't know) using data from the …

Photometry of high-redshift blended galaxies using deep learning

A Boucaud, M Huertas-Company… - Monthly Notices of …, 2020 - academic.oup.com
The new generation of deep photometric surveys requires unprecedentedly precise shape
and photometry measurements of billions of galaxies to achieve their main science goals. At …

Forging new worlds: high-resolution synthetic galaxies with chained generative adversarial networks

L Fussell, B Moews - Monthly Notices of the Royal Astronomical …, 2019 - academic.oup.com
Astronomy of the 21st century increasingly finds itself with extreme quantities of data. This
growth in data is ripe for modern technologies such as deep image processing, which has …

Synergies between low-and intermediate-redshift galaxy populations revealed with unsupervised machine learning

S Turner, M Siudek, S Salim, IK Baldry… - Monthly Notices of …, 2021 - academic.oup.com
The colour bimodality of galaxies provides an empirical basis for theories of galaxy
evolution. However, the balance of processes that begets this bimodality has not yet been …

[HTML][HTML] Evaluation metrics for galaxy image generators

S Hackstein, V Kinakh, C Bailer, M Melchior - Astronomy and Computing, 2023 - Elsevier
A major problem with deep generative models is verifying that the generated distribution
resembles the target distribution while the individual generated sample is indistinguishable …

Makine öğrenmesi algoritmalarıyla astronomik gözlem kalitesi tahminine yönelik karar destek sistemi geliştirilmesi ve uygulanması

ÖÇ Yavuz, E Karaman, C Yeşilyaprak - Trends in Business and …, 2022 - dergipark.org.tr
Kurulumunun tamamlanmasıyla birlikte araştırmacıların kullanımına sunulması planlanan
Doğu Anadolu Gözlemevi (DAG) teleskobunun etkin ve verimli kullanımı önem arz …

Reproducible k-means clustering in galaxy feature data from the GAMA survey

S Turner, LS Kelvin, IK Baldry, PJ Lisboa… - Monthly Notices of …, 2019 - academic.oup.com
ABSTRACT A fundamental bimodality of galaxies in the local Universe is apparent in many
of the features used to describe them. Multiple sub-populations exist within this framework …